calculate the deflection of the simply supported beam using sample problem 1 if it was installed with parabolic tendons that falls from centrois at the ends to 6" to midspan. calculate final deflection after losses. SAMPLE PROBLEM NO. 1The pretensioned rectangular beam shown has straight cables with initial stresses of 175 ksi and final stressesafter losses of 140 ksi. Determine the deflection of the beam immediately after the cables are cut. E = 4x 106psi.DL = (beam weight only)LL = 0.8 k/ft%3D16"20"1.2 in.?- 30'-12"24 / 37

Given- initial stress=175KsiFinal stress=140KsiE=4×106 PsiDensity of concrete =140lb/ftDensity of…

Answered: SAMPLE PROBLEM NO. 1 The pretensioned…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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calculate the deflection of the simply supported beam using sample problem 1 if it was installed with parabolic tendons that falls from centrois at the ends to 6" to midspan. calculate final deflection after losses.

SAMPLE PROBLEM NO. 1
The pretensioned rectangular beam shown has straight cables with initial stresses of 175 ksi and final stresses
after losses of 140 ksi. Determine the deflection of the beam immediately after the cables are cut. E = 4x 106
psi.
DL = (beam weight only)
LL = 0.8 k/ft
%3D
16"
20"
1.2 in.?
- 30'-
12"
24 / 37

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